Awakers are small, ghost-like creatures in NiGHTS: Journey of Dreams that fill the role of the Alarm Egg. A small timer in the bottom-right corner of the screen will show how much time a player has before the Awakers appear. Unlike the Alarm Egg, there are multiple Awakers, who will continue spawning until you either dualize with NiGHTS, or come into contact with them, which will cause a Night Over. [1] Time Chips can be collected to delay their arrival.
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Awakers icon from the Official NiGHTS Journey of dreams Japanese site.